Digestive system

Superior labial frenulum

Connective tissue that connects the upper lip to the anterior surface of the gums just above the front of the teeth (Maxillary gingiva)

Gingiva

• Aka the gums

• Mucous membrane surrounding the base of teeth

Bicuspid teeth

• Two rounded cusp

• Designed for grinding

• Aka premolars

Cementum

Covers root of teeth

Villi

• Finger-like extensions of mucosa

• Found in the small intestine

• Increase surface area absorption of nutrients

Cardia

Region of stomach that receives food from esophagus

Duodenum

• First section of the small intestine

• Receives chyme from stomach

• Receives digestive enzymes from pancreas and bile from liver and gallbladder

Jejunum

• Second section of small intestine

• Bulk of chemical digestion

• Nutrient absorption

Ileum

• Third section of small intestine

• Delivers remaining material to cecum of large intestine

Rectum

• Stores feces prior to defecation